 <template>
  <div class="app-container">
    <div
      style="
        line-height: 40px;
        font-weight: 700;
        font-size: 22px;
        color: #a85a11;
        margin-left: 10px;
      "
    >
      讲师列表
    </div>
    <!--查询表单-->
    <el-form :inline="true" class="demo-form-inline">
      <el-form-item>
        <el-input v-model="teacherQuery.name" placeholder="讲师名" />
      </el-form-item>

      <el-form-item>
        <el-select
          v-model="teacherQuery.level"
          clearable
          placeholder="讲师头衔"
        >
          <el-option :value="1" label="高级讲师" />
          <el-option :value="2" label="首席讲师" />
        </el-select>
      </el-form-item>

      <el-form-item label="添加时间">
        <el-date-picker
          v-model="teacherQuery.begin"
          type="datetime"
          placeholder="选择开始时间"
          value-format="yyyy-MM-dd HH:mm:ss"
          default-time="00:00:00"
        />
      </el-form-item>
      <el-form-item>
        <el-date-picker
          v-model="teacherQuery.end"
          type="datetime"
          placeholder="选择截止时间"
          value-format="yyyy-MM-dd HH:mm:ss"
          default-time="00:00:00"
        />
      </el-form-item>

      <el-button type="primary" icon="el-icon-search" @click="getList()"
        >查询</el-button
      >
      <el-button type="default" @click="resetData()">清空</el-button>
      <el-button
        type="danger"
        size="mini"
        icon="el-icon-delete"
        @click="removeDataById(scope.row.id)"
        >删除</el-button
      >
    </el-form>

    <!-- 表格 -->
    <el-table
      :data="list"
      v-loading="listLoading"
      element-loading-text="数据加载中"
      border
      fit
      highlight-current-row
    >
      <el-table-column label="序号" width="70" align="center">
        <template slot-scope="scope">
          {{ (page - 1) * limit + scope.$index + 1 }}
        </template>
      </el-table-column>

      <el-table-column prop="name" label="名称" width="80" />

      <el-table-column label="头衔" width="80">
        <template slot-scope="scope">
          <!-- ===判断类型和值 -->
          {{ scope.row.level === 1 ? "高级讲师" : "首席讲师" }}
        </template>
      </el-table-column>

      <el-table-column prop="intro" label="资历" />

      <el-table-column prop="gmtCreate" label="添加时间" width="160" />

      <el-table-column prop="sort" label="排序" width="60" />

      <el-table-column label="操作" width="200" align="center">
        <template slot-scope="scope">
          <router-link :to="'/teacher/edit/' + scope.row.id">
            <el-button type="primary" size="mini" icon="el-icon-edit"
              >修改</el-button
            >
          </router-link>
          <el-button
            type="danger"
            size="mini"
            icon="el-icon-delete"
            @click="removeDataById(scope.row.id)"
            >删除</el-button
          >
        </template>
      </el-table-column>
    </el-table>

    <!-- 分页 -->
    <el-pagination
      :current-page="page"
      :page-size="limit"
      :total="total"
      style="padding: 30px 0; text-align: center"
      layout="total, prev, pager, next, jumper"
      @current-change="getList"
    />
  </div>
</template> 
<script>
import teacherApi from "@/api/edu/teacher";

export default {
  data() {
    return {
      listLoading: true,
      list: null, //查询之后接口返回集合
      page: 1, //当前页
      limit: 10, //每页记录数
      total: 0, //总记录数
      teacherQuery: {}, //条件封装的对象 v-model双向绑定
    };
  },
  created() {
    //调用
    this.getList();
  },
  methods: {
    getList(page = 1) {
      //讲师列表的方法
      this.page = page;
      this.listLoading = true;
      teacherApi
        .getList(this.page, this.limit, this.teacherQuery)
        .then((Response) => {
          //请求成功
          //response接口返回的数据
          console.log(Response);
          this.list = Response.data.items;
          this.total = Response.data.totalCount;
          this.listLoading = false;
        })
        .catch((error) => {
          //请求失败
          console.log(error);
        });
    },
    // 删除讲师
    resetData() {
      //清空按钮的方法
      //清空已输入数据
      this.teacherQuery = {};
      //查询所有  恢复未进行条件查询的状态
      this.getList();
    },
    removeDataById(id) { //删除讲师按钮的方法
        this.$confirm('此操作将永久删除讲师信息, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => {
          teacherApi.deleteTeacherById(id)
            .then(response => { //删除成功
              //提示信息
              this.$message({
                type: 'success',
                message: '删除成功'
              });
              //回到列表页面
              this.getList()
            })
        }).catch((response)=>{
           // console.log(response);

        })
       
      }
  },
};
</script>